3178872325 has 12 divisors (see below), whose sum is σ = 3942621540. Its totient is φ = 2542568960.

The previous prime is 3178872299. The next prime is 3178872391. The reversal of 3178872325 is 5232788713.

It can be written as a sum of positive squares in 6 ways, for example, as 36372961 + 3142499364 = 6031^2 + 56058^2 .

It is not a de Polignac number, because 3178872325 - 2¹⁷ = 3178741253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147861 + ... + 167989.

It is an arithmetic number, because the mean of its divisors is an integer number (328551795).

Almost surely, 2^3178872325 is an apocalyptic number.

It is an amenable number.

3178872325 is a deficient number, since it is larger than the sum of its proper divisors (763749215).

3178872325 is a wasteful number, since it uses less digits than its factorization.

3178872325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26456 (or 26451 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 3178872325 is about 56381.4892052347. The cubic root of 3178872325 is about 1470.3623098491.

The spelling of 3178872325 in words is "three billion, one hundred seventy-eight million, eight hundred seventy-two thousand, three hundred twenty-five".